Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
Tsync Tsync
wrote...
Go to Answer
Posts: 3450
Rep: 8 0
8 years ago
The redshift of the galaxies is correctly interpreted as:
A) the differences in temperatures and star formation in old and young galaxies.
B) space itself is expanding with time, so the photons are stretched while they travel through space.
C) placing our Galaxy near the center of the Local Group.
D) a Doppler shift due to the random motions of galaxies in space.
E) an aging of light as gravity weakens with time.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 174 times
3 Replies
Minoring in physics
Replies
Answer verified by a subject expert
RatatouilleRatatouille
wrote...
#1
Top Poster
Posts: 3710
Rep: 56 0
8 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Tsync Author
wrote...
#2
8 years ago
You answered my question so timely, I really value that, thank you
Minoring in physics
wrote...
#3
8 years ago
Message back if you need anything
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1246 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 4430
  
 660
  
 518
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?